<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #box {
            height: 200px;
            width: 200px;
            background-color: green;
        }
    </style>
</head>

<body>
    <div id="box">

    </div>
    <script>
        function throttle(fn, delay) {
            let flag=true
            return ()=>{
                if(!flag){
                    return 
                }
                flag=false;
                setTimeout(() => {
                    fn()
                    flag=true;
                }, delay);
            }
        }

        const oBox = document.getElementById("box");
        oBox.addEventListener(
            "click",
            throttle(() => {
                console.log(111);
            }, 1000)
        );


    </script>
</body>

</html>